英语词汇keep a firm hand on怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	keep a firm hand on
释义	keep a firm hand on 对…实行严密控制(或有力的控制)，紧紧抓住(或控制住)[亦作keep one's hand on]
随便看	rate control rate controller rate controlling rated rated capacity rated engine speed rate descent rate-determining step rated flow rated horsepower rated load rated loading rated speed rate effect rateen rate feedback rate-grown transistor rate gyroscope rate integrating gyroscope ratel ratels ratemeter ratemeters rate of application rate of approach

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。